IOCAS-IR  > 海洋环境腐蚀与与生物污损重点实验室
Corrosion of Q235 Carbon Steel in Seawater Containing Mariprofundus ferrooxydans and Thalassospira sp.
Chen, Shiqiang1,2,3; Deng, Hao1; Liu, Guangzhou1; Zhang, Dun2,3
2019-05-08
Source PublicationFRONTIERS IN MICROBIOLOGY
ISSN1664-302X
Volume10Pages:12
Corresponding AuthorLiu, Guangzhou(liuguancgzhou@sdu.edu.cn) ; Zhang, Dun(zhangdun@qdio.ac.cn)
AbstractIron-oxidizing bacteria (IOB) and iron-reducing bacteria (IRB) can easily adhere onto carbon steel surface to form biofilm and affect corrosion processes. However, the mechanism of mixed consortium induced carbon steel corrosion is relatively underexplored. In this paper, the adsorptions of IOB (Mariprofundus ferrooxydans, M. f), IRB (Thalassospira sp., T. sp.) and mixed consortium (M. f. and T. sp.) on surface of Q235 carbon steel and their effects on corrosion in seawater were investigated through surface analysis techniques and electrochemical methods. Results showed that local adhesion is a typical characteristic for biofilm on surface of Q235 carbon steel in M. f. and mixed consortium media, which induces localized corrosion of Q235 carbon steel. Corrosion rates of 0235 carbon steel in different culture media decrease in the order: r(M.f. )> r(mixed) (consortium) > r(T). (sp). > r(sterile). The evolution of corrosion rate along with time decreases in M. f. medium, and increases then keeps table in both T. sp. and mixed consortium media. Corrosion mechanism of Q235 carbon steel in mixed consortium medium is discussed through analysis of surface morphology and composition, environmental parameter, and electrochemical behavior.
KeywordQ235 carbon steel EIS SEM XPS microbiologically influenced corrosion
DOI10.3389/fmicb.2019.00936
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51771180] ; National Key Research and Development Program of China[2016YFB0300604] ; National Key Research and Development Program of China[2014CB643304] ; AoShan Talent Program - Qingdao National Laboratory for Marine Science and Technology ; Fundamental Research Funds of Shandong University[62420078614131]
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS IDWOS:000467307900001
PublisherFRONTIERS MEDIA SA
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/164089
Collection海洋环境腐蚀与与生物污损重点实验室
Corresponding AuthorLiu, Guangzhou; Zhang, Dun
Affiliation1.Shandong Univ, Inst Marine Sci & Technol, Qingdao, Shandong, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao, Shandong, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Open Studio Marine Corros & Protect, Qingdao, Shandong, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Chen, Shiqiang,Deng, Hao,Liu, Guangzhou,et al. Corrosion of Q235 Carbon Steel in Seawater Containing Mariprofundus ferrooxydans and Thalassospira sp.[J]. FRONTIERS IN MICROBIOLOGY,2019,10:12.
APA Chen, Shiqiang,Deng, Hao,Liu, Guangzhou,&Zhang, Dun.(2019).Corrosion of Q235 Carbon Steel in Seawater Containing Mariprofundus ferrooxydans and Thalassospira sp..FRONTIERS IN MICROBIOLOGY,10,12.
MLA Chen, Shiqiang,et al."Corrosion of Q235 Carbon Steel in Seawater Containing Mariprofundus ferrooxydans and Thalassospira sp.".FRONTIERS IN MICROBIOLOGY 10(2019):12.
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